HTH Advanced Shock | 13.3 oz | 52031

The HTH Advanced Shock – 13.3 oz (Model 52031) is a compact, high-strength granular sanitizer designed to deliver rapid water clarity and sanitation in small-to-medium pools and spas. Its premium 4‑in‑1 formula eradicates bacteria, algae, and harmful microorganisms while neutralizing chlorine odors and minimizing skin and eye irritation—all without adding stabilizers (CYA), thus preventing chlorine lock. Fast-dissolving for swift results, this single-dose packet is ideal for spot treatments, weekly maintenance, or quick clarity boosts, ensuring safe, sparkling water with minimal effort. Trusted by pool professionals and homeowners alike, HTH Advanced Shock is a convenient powerhouse in a compact size. Highlights High-Strength 4-in-1 Formula – Kills bacteria and algae, neutralizes odors, and reduces irritation for crystal-clear water. No Added Stabilizer (CYA) – Prevents chlorine lock by avoiding cyanuric acid buildup in pool or spa systems. Fast-Dissolving Granules – Delivers ra